<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <!-- 引入 css 文件 -->
        <link rel="stylesheet" href="./bootstrap/css/bootstrap.min.css" />
        <style>
            /* 模糊匹配的方式 设置选择器 */
            /* col-xs-2  col-md-10 */
            .container{
                padding-top: 50px;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <div class="col-xs-4 col-xs-offset-4">
                <h2>登录</h2>
                <hr>
                <form>
                    <div class="form-group">
                        <label for="exampleInputEmail1">邮箱</label>
                        <input
                            type="email"
                            class="form-control"
                            id="exampleInputEmail1"
                        />
                    </div>
                    <div class="form-group">
                        <label for="exampleInputPassword1">密码</label>
                        <input
                            type="password"
                            class="form-control"
                            id="exampleInputPassword1"
                        />
                    </div>
                    
                    <hr>
                    
                    <button type="submit" class="btn btn-primary btn-block">
                        登录
                    </button>
                </form>
            </div>
        </div>

        <script src="./bootstrap/js/jquery.min.js"></script>
        <script src="./bootstrap/js/bootstrap.min.js"></script>
    </body>
</html>
